Home / 39,030.67-58,552.11-12,729.30

Finding the Fourth Proportional to 39,030.67, 58,552.11 and 12,729.30

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Solution

The fourth proportional to 39,030.67, 58,552.11 and 12,729.30 is: 19,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.67 : 58,552.11 = 12,729.30 : x
  2. Step 2: Convert to fraction form
    39,030.67/58,552.11 = 12,729.30/x
  3. Step 3: Cross multiply
    39,030.67x = 58,552.11 × 12,729.30
  4. Step 4: Simplify right side
    39,030.67x = 745,327,017.42
  5. Step 5: Solve for x
    x = 745,327,017.42/39,030.67
  6. Step 6: Final answer
    x = 19,095.93

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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.