Home / 58,280.13-87,420.20-18,837.25

Finding the Fourth Proportional to 58,280.13, 87,420.20 and 18,837.25

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Solution

The fourth proportional to 58,280.13, 87,420.20 and 18,837.25 is: 28,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.13 : 87,420.20 = 18,837.25 : x
  2. Step 2: Convert to fraction form
    58,280.13/87,420.20 = 18,837.25/x
  3. Step 3: Cross multiply
    58,280.13x = 87,420.20 × 18,837.25
  4. Step 4: Simplify right side
    58,280.13x = 1,646,755,806.25
  5. Step 5: Solve for x
    x = 1,646,755,806.25/58,280.13
  6. Step 6: Final answer
    x = 28,255.87

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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.