Home / 55,071.28-76,000.02-38,967.46

Finding the Fourth Proportional to 55,071.28, 76,000.02 and 38,967.46

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Solution

The fourth proportional to 55,071.28, 76,000.02 and 38,967.46 is: 53,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.28 : 76,000.02 = 38,967.46 : x
  2. Step 2: Convert to fraction form
    55,071.28/76,000.02 = 38,967.46/x
  3. Step 3: Cross multiply
    55,071.28x = 76,000.02 × 38,967.46
  4. Step 4: Simplify right side
    55,071.28x = 2,961,527,739.35
  5. Step 5: Solve for x
    x = 2,961,527,739.35/55,071.28
  6. Step 6: Final answer
    x = 53,776.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.