Home / 53,255.92-79,870.17-15,807.13

Finding the Fourth Proportional to 53,255.92, 79,870.17 and 15,807.13

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Solution

The fourth proportional to 53,255.92, 79,870.17 and 15,807.13 is: 23,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255.92 : 79,870.17 = 15,807.13 : x
  2. Step 2: Convert to fraction form
    53,255.92/79,870.17 = 15,807.13/x
  3. Step 3: Cross multiply
    53,255.92x = 79,870.17 × 15,807.13
  4. Step 4: Simplify right side
    53,255.92x = 1,262,518,160.31
  5. Step 5: Solve for x
    x = 1,262,518,160.31/53,255.92
  6. Step 6: Final answer
    x = 23,706.63

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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.