Home / 51,567.18-77,356.17-21,988.14

Finding the Fourth Proportional to 51,567.18, 77,356.17 and 21,988.14

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Solution

The fourth proportional to 51,567.18, 77,356.17 and 21,988.14 is: 32,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.18 : 77,356.17 = 21,988.14 : x
  2. Step 2: Convert to fraction form
    51,567.18/77,356.17 = 21,988.14/x
  3. Step 3: Cross multiply
    51,567.18x = 77,356.17 × 21,988.14
  4. Step 4: Simplify right side
    51,567.18x = 1,700,918,295.82
  5. Step 5: Solve for x
    x = 1,700,918,295.82/51,567.18
  6. Step 6: Final answer
    x = 32,984.51

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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.