Home / 70,613.04-97,445.70-38,782.20

Finding the Fourth Proportional to 70,613.04, 97,445.70 and 38,782.20

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Solution

The fourth proportional to 70,613.04, 97,445.70 and 38,782.20 is: 53,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.04 : 97,445.70 = 38,782.20 : x
  2. Step 2: Convert to fraction form
    70,613.04/97,445.70 = 38,782.20/x
  3. Step 3: Cross multiply
    70,613.04x = 97,445.70 × 38,782.20
  4. Step 4: Simplify right side
    70,613.04x = 3,779,158,626.54
  5. Step 5: Solve for x
    x = 3,779,158,626.54/70,613.04
  6. Step 6: Final answer
    x = 53,519.27

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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.