Home / 38,421.02-57,331.04-30,433.02

Finding the Fourth Proportional to 38,421.02, 57,331.04 and 30,433.02

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Solution

The fourth proportional to 38,421.02, 57,331.04 and 30,433.02 is: 45,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.02 : 57,331.04 = 30,433.02 : x
  2. Step 2: Convert to fraction form
    38,421.02/57,331.04 = 30,433.02/x
  3. Step 3: Cross multiply
    38,421.02x = 57,331.04 × 30,433.02
  4. Step 4: Simplify right side
    38,421.02x = 1,744,756,534.78
  5. Step 5: Solve for x
    x = 1,744,756,534.78/38,421.02
  6. Step 6: Final answer
    x = 45,411.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.