Home / 70,556.18-97,368.72-38,728.04

Finding the Fourth Proportional to 70,556.18, 97,368.72 and 38,728.04

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Solution

The fourth proportional to 70,556.18, 97,368.72 and 38,728.04 is: 53,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,556.18 : 97,368.72 = 38,728.04 : x
  2. Step 2: Convert to fraction form
    70,556.18/97,368.72 = 38,728.04/x
  3. Step 3: Cross multiply
    70,556.18x = 97,368.72 × 38,728.04
  4. Step 4: Simplify right side
    70,556.18x = 3,770,899,682.91
  5. Step 5: Solve for x
    x = 3,770,899,682.91/70,556.18
  6. Step 6: Final answer
    x = 53,445.35

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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.