Home / 47,400.69-65,407.35-26,178.69

Finding the Fourth Proportional to 47,400.69, 65,407.35 and 26,178.69

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Solution

The fourth proportional to 47,400.69, 65,407.35 and 26,178.69 is: 36,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.69 : 65,407.35 = 26,178.69 : x
  2. Step 2: Convert to fraction form
    47,400.69/65,407.35 = 26,178.69/x
  3. Step 3: Cross multiply
    47,400.69x = 65,407.35 × 26,178.69
  4. Step 4: Simplify right side
    47,400.69x = 1,712,278,412.33
  5. Step 5: Solve for x
    x = 1,712,278,412.33/47,400.69
  6. Step 6: Final answer
    x = 36,123.50

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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.