Home / 45,329.76-67,925.40-19,020.15

Finding the Fourth Proportional to 45,329.76, 67,925.40 and 19,020.15

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Solution

The fourth proportional to 45,329.76, 67,925.40 and 19,020.15 is: 28,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,329.76 : 67,925.40 = 19,020.15 : x
  2. Step 2: Convert to fraction form
    45,329.76/67,925.40 = 19,020.15/x
  3. Step 3: Cross multiply
    45,329.76x = 67,925.40 × 19,020.15
  4. Step 4: Simplify right side
    45,329.76x = 1,291,951,296.81
  5. Step 5: Solve for x
    x = 1,291,951,296.81/45,329.76
  6. Step 6: Final answer
    x = 28,501.17

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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.