Home / 30,376.40-45,545.12-12,841.52

Finding the Fourth Proportional to 30,376.40, 45,545.12 and 12,841.52

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Solution

The fourth proportional to 30,376.40, 45,545.12 and 12,841.52 is: 19,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.40 : 45,545.12 = 12,841.52 : x
  2. Step 2: Convert to fraction form
    30,376.40/45,545.12 = 12,841.52/x
  3. Step 3: Cross multiply
    30,376.40x = 45,545.12 × 12,841.52
  4. Step 4: Simplify right side
    30,376.40x = 584,868,569.38
  5. Step 5: Solve for x
    x = 584,868,569.38/30,376.40
  6. Step 6: Final answer
    x = 19,254.04

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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.