Home / 39,042.72-58,570.56-15,656.40

Finding the Fourth Proportional to 39,042.72, 58,570.56 and 15,656.40

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Solution

The fourth proportional to 39,042.72, 58,570.56 and 15,656.40 is: 23,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.72 : 58,570.56 = 15,656.40 : x
  2. Step 2: Convert to fraction form
    39,042.72/58,570.56 = 15,656.40/x
  3. Step 3: Cross multiply
    39,042.72x = 58,570.56 × 15,656.40
  4. Step 4: Simplify right side
    39,042.72x = 917,004,115.58
  5. Step 5: Solve for x
    x = 917,004,115.58/39,042.72
  6. Step 6: Final answer
    x = 23,487.20

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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.