Home / 45,281.31-67,922-15,699.17

Finding the Fourth Proportional to 45,281.31, 67,922 and 15,699.17

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Solution

The fourth proportional to 45,281.31, 67,922 and 15,699.17 is: 23,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,281.31 : 67,922 = 15,699.17 : x
  2. Step 2: Convert to fraction form
    45,281.31/67,922 = 15,699.17/x
  3. Step 3: Cross multiply
    45,281.31x = 67,922 × 15,699.17
  4. Step 4: Simplify right side
    45,281.31x = 1,066,319,024.74
  5. Step 5: Solve for x
    x = 1,066,319,024.74/45,281.31
  6. Step 6: Final answer
    x = 23,548.77

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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.