Home / 30,023.76-45,037.98-17,545.08

Finding the Fourth Proportional to 30,023.76, 45,037.98 and 17,545.08

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Solution

The fourth proportional to 30,023.76, 45,037.98 and 17,545.08 is: 26,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.76 : 45,037.98 = 17,545.08 : x
  2. Step 2: Convert to fraction form
    30,023.76/45,037.98 = 17,545.08/x
  3. Step 3: Cross multiply
    30,023.76x = 45,037.98 × 17,545.08
  4. Step 4: Simplify right side
    30,023.76x = 790,194,962.14
  5. Step 5: Solve for x
    x = 790,194,962.14/30,023.76
  6. Step 6: Final answer
    x = 26,318.99

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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.