Home / 37,304.48-55,966.20-13,931.12

Finding the Fourth Proportional to 37,304.48, 55,966.20 and 13,931.12

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Solution

The fourth proportional to 37,304.48, 55,966.20 and 13,931.12 is: 20,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,304.48 : 55,966.20 = 13,931.12 : x
  2. Step 2: Convert to fraction form
    37,304.48/55,966.20 = 13,931.12/x
  3. Step 3: Cross multiply
    37,304.48x = 55,966.20 × 13,931.12
  4. Step 4: Simplify right side
    37,304.48x = 779,671,848.14
  5. Step 5: Solve for x
    x = 779,671,848.14/37,304.48
  6. Step 6: Final answer
    x = 20,900.22

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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.