Home / 42,030.54-63,048.38-13,570.38

Finding the Fourth Proportional to 42,030.54, 63,048.38 and 13,570.38

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Solution

The fourth proportional to 42,030.54, 63,048.38 and 13,570.38 is: 20,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.54 : 63,048.38 = 13,570.38 : x
  2. Step 2: Convert to fraction form
    42,030.54/63,048.38 = 13,570.38/x
  3. Step 3: Cross multiply
    42,030.54x = 63,048.38 × 13,570.38
  4. Step 4: Simplify right side
    42,030.54x = 855,590,407.13
  5. Step 5: Solve for x
    x = 855,590,407.13/42,030.54
  6. Step 6: Final answer
    x = 20,356.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.