Home / 56,006.84-77,289.20-30,513.13

Finding the Fourth Proportional to 56,006.84, 77,289.20 and 30,513.13

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Solution

The fourth proportional to 56,006.84, 77,289.20 and 30,513.13 is: 42,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,006.84 : 77,289.20 = 30,513.13 : x
  2. Step 2: Convert to fraction form
    56,006.84/77,289.20 = 30,513.13/x
  3. Step 3: Cross multiply
    56,006.84x = 77,289.20 × 30,513.13
  4. Step 4: Simplify right side
    56,006.84x = 2,358,335,097.03
  5. Step 5: Solve for x
    x = 2,358,335,097.03/56,006.84
  6. Step 6: Final answer
    x = 42,107.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.