Home / 52,479.23-72,420.77-28,605.38

Finding the Fourth Proportional to 52,479.23, 72,420.77 and 28,605.38

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Solution

The fourth proportional to 52,479.23, 72,420.77 and 28,605.38 is: 39,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.23 : 72,420.77 = 28,605.38 : x
  2. Step 2: Convert to fraction form
    52,479.23/72,420.77 = 28,605.38/x
  3. Step 3: Cross multiply
    52,479.23x = 72,420.77 × 28,605.38
  4. Step 4: Simplify right side
    52,479.23x = 2,071,623,683.77
  5. Step 5: Solve for x
    x = 2,071,623,683.77/52,479.23
  6. Step 6: Final answer
    x = 39,475.12

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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.