Home / 52,293.50-72,165.58-28,420.16

Finding the Fourth Proportional to 52,293.50, 72,165.58 and 28,420.16

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Solution

The fourth proportional to 52,293.50, 72,165.58 and 28,420.16 is: 39,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.50 : 72,165.58 = 28,420.16 : x
  2. Step 2: Convert to fraction form
    52,293.50/72,165.58 = 28,420.16/x
  3. Step 3: Cross multiply
    52,293.50x = 72,165.58 × 28,420.16
  4. Step 4: Simplify right side
    52,293.50x = 2,050,957,439.46
  5. Step 5: Solve for x
    x = 2,050,957,439.46/52,293.50
  6. Step 6: Final answer
    x = 39,220.13

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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.