Home / 57,925.13-80,002.28-39,029.45

Finding the Fourth Proportional to 57,925.13, 80,002.28 and 39,029.45

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Solution

The fourth proportional to 57,925.13, 80,002.28 and 39,029.45 is: 53,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,925.13 : 80,002.28 = 39,029.45 : x
  2. Step 2: Convert to fraction form
    57,925.13/80,002.28 = 39,029.45/x
  3. Step 3: Cross multiply
    57,925.13x = 80,002.28 × 39,029.45
  4. Step 4: Simplify right side
    57,925.13x = 3,122,444,684.71
  5. Step 5: Solve for x
    x = 3,122,444,684.71/57,925.13
  6. Step 6: Final answer
    x = 53,904.84

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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.