Home / 70,559.85-97,373.31-38,728.05

Finding the Fourth Proportional to 70,559.85, 97,373.31 and 38,728.05

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Solution

The fourth proportional to 70,559.85, 97,373.31 and 38,728.05 is: 53,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,559.85 : 97,373.31 = 38,728.05 : x
  2. Step 2: Convert to fraction form
    70,559.85/97,373.31 = 38,728.05/x
  3. Step 3: Cross multiply
    70,559.85x = 97,373.31 × 38,728.05
  4. Step 4: Simplify right side
    70,559.85x = 3,771,078,418.35
  5. Step 5: Solve for x
    x = 3,771,078,418.35/70,559.85
  6. Step 6: Final answer
    x = 53,445.10

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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.