Home / 52,345.32-72,235.80-28,472.16

Finding the Fourth Proportional to 52,345.32, 72,235.80 and 28,472.16

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Solution

The fourth proportional to 52,345.32, 72,235.80 and 28,472.16 is: 39,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.32 : 72,235.80 = 28,472.16 : x
  2. Step 2: Convert to fraction form
    52,345.32/72,235.80 = 28,472.16/x
  3. Step 3: Cross multiply
    52,345.32x = 72,235.80 × 28,472.16
  4. Step 4: Simplify right side
    52,345.32x = 2,056,709,255.33
  5. Step 5: Solve for x
    x = 2,056,709,255.33/52,345.32
  6. Step 6: Final answer
    x = 39,291.18

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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.