Home / 40,302.08-60,460.41-13,285.86

Finding the Fourth Proportional to 40,302.08, 60,460.41 and 13,285.86

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Solution

The fourth proportional to 40,302.08, 60,460.41 and 13,285.86 is: 19,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.08 : 60,460.41 = 13,285.86 : x
  2. Step 2: Convert to fraction form
    40,302.08/60,460.41 = 13,285.86/x
  3. Step 3: Cross multiply
    40,302.08x = 60,460.41 × 13,285.86
  4. Step 4: Simplify right side
    40,302.08x = 803,268,542.80
  5. Step 5: Solve for x
    x = 803,268,542.80/40,302.08
  6. Step 6: Final answer
    x = 19,931.20

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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.