Home / 74,102.02-111,119.40-31,962.18

Finding the Fourth Proportional to 74,102.02, 111,119.40 and 31,962.18

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Solution

The fourth proportional to 74,102.02, 111,119.40 and 31,962.18 is: 47,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.02 : 111,119.40 = 31,962.18 : x
  2. Step 2: Convert to fraction form
    74,102.02/111,119.40 = 31,962.18/x
  3. Step 3: Cross multiply
    74,102.02x = 111,119.40 × 31,962.18
  4. Step 4: Simplify right side
    74,102.02x = 3,551,618,264.29
  5. Step 5: Solve for x
    x = 3,551,618,264.29/74,102.02
  6. Step 6: Final answer
    x = 47,928.76

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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.