Home / 38,745.79-58,111.02-10,658.59

Finding the Fourth Proportional to 38,745.79, 58,111.02 and 10,658.59

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Solution

The fourth proportional to 38,745.79, 58,111.02 and 10,658.59 is: 15,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.79 : 58,111.02 = 10,658.59 : x
  2. Step 2: Convert to fraction form
    38,745.79/58,111.02 = 10,658.59/x
  3. Step 3: Cross multiply
    38,745.79x = 58,111.02 × 10,658.59
  4. Step 4: Simplify right side
    38,745.79x = 619,381,391.38
  5. Step 5: Solve for x
    x = 619,381,391.38/38,745.79
  6. Step 6: Final answer
    x = 15,985.77

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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.