Home / 31,050,048.72-42,848,062.19-17,821,403.08

Finding the Fourth Proportional to 31,050,048.72, 42,848,062.19 and 17,821,403.08

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Solution

The fourth proportional to 31,050,048.72, 42,848,062.19 and 17,821,403.08 is: 24,592,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050,048.72 : 42,848,062.19 = 17,821,403.08 : x
  2. Step 2: Convert to fraction form
    31,050,048.72/42,848,062.19 = 17,821,403.08/x
  3. Step 3: Cross multiply
    31,050,048.72x = 42,848,062.19 × 17,821,403.08
  4. Step 4: Simplify right side
    31,050,048.72x = 763,612,587,484,897.38
  5. Step 5: Solve for x
    x = 763,612,587,484,897.38/31,050,048.72
  6. Step 6: Final answer
    x = 24,592,959.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.