Home / 48,261.12-66,598.56-28,119.12

Finding the Fourth Proportional to 48,261.12, 66,598.56 and 28,119.12

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Solution

The fourth proportional to 48,261.12, 66,598.56 and 28,119.12 is: 38,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,261.12 : 66,598.56 = 28,119.12 : x
  2. Step 2: Convert to fraction form
    48,261.12/66,598.56 = 28,119.12/x
  3. Step 3: Cross multiply
    48,261.12x = 66,598.56 × 28,119.12
  4. Step 4: Simplify right side
    48,261.12x = 1,872,692,900.47
  5. Step 5: Solve for x
    x = 1,872,692,900.47/48,261.12
  6. Step 6: Final answer
    x = 38,803.35

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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.