Home / 52,382.78-72,290.01-28,510.32

Finding the Fourth Proportional to 52,382.78, 72,290.01 and 28,510.32

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Solution

The fourth proportional to 52,382.78, 72,290.01 and 28,510.32 is: 39,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,382.78 : 72,290.01 = 28,510.32 : x
  2. Step 2: Convert to fraction form
    52,382.78/72,290.01 = 28,510.32/x
  3. Step 3: Cross multiply
    52,382.78x = 72,290.01 × 28,510.32
  4. Step 4: Simplify right side
    52,382.78x = 2,061,011,317.90
  5. Step 5: Solve for x
    x = 2,061,011,317.90/52,382.78
  6. Step 6: Final answer
    x = 39,345.21

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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.