Home / 58,089.07-87,123.15-15,394.78

Finding the Fourth Proportional to 58,089.07, 87,123.15 and 15,394.78

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Solution

The fourth proportional to 58,089.07, 87,123.15 and 15,394.78 is: 23,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,089.07 : 87,123.15 = 15,394.78 : x
  2. Step 2: Convert to fraction form
    58,089.07/87,123.15 = 15,394.78/x
  3. Step 3: Cross multiply
    58,089.07x = 87,123.15 × 15,394.78
  4. Step 4: Simplify right side
    58,089.07x = 1,341,241,727.16
  5. Step 5: Solve for x
    x = 1,341,241,727.16/58,089.07
  6. Step 6: Final answer
    x = 23,089.40

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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.