Home / 48,347.84-72,522.56-13,287.28

Finding the Fourth Proportional to 48,347.84, 72,522.56 and 13,287.28

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Solution

The fourth proportional to 48,347.84, 72,522.56 and 13,287.28 is: 19,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.84 : 72,522.56 = 13,287.28 : x
  2. Step 2: Convert to fraction form
    48,347.84/72,522.56 = 13,287.28/x
  3. Step 3: Cross multiply
    48,347.84x = 72,522.56 × 13,287.28
  4. Step 4: Simplify right side
    48,347.84x = 963,627,561.04
  5. Step 5: Solve for x
    x = 963,627,561.04/48,347.84
  6. Step 6: Final answer
    x = 19,931.14

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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.