Home / 39,345.72-59,043.12-15,972.15

Finding the Fourth Proportional to 39,345.72, 59,043.12 and 15,972.15

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Solution

The fourth proportional to 39,345.72, 59,043.12 and 15,972.15 is: 23,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.72 : 59,043.12 = 15,972.15 : x
  2. Step 2: Convert to fraction form
    39,345.72/59,043.12 = 15,972.15/x
  3. Step 3: Cross multiply
    39,345.72x = 59,043.12 × 15,972.15
  4. Step 4: Simplify right side
    39,345.72x = 943,045,569.11
  5. Step 5: Solve for x
    x = 943,045,569.11/39,345.72
  6. Step 6: Final answer
    x = 23,968.19

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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.