Home / 70,590.72-97,423.20-38,762.40

Finding the Fourth Proportional to 70,590.72, 97,423.20 and 38,762.40

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Solution

The fourth proportional to 70,590.72, 97,423.20 and 38,762.40 is: 53,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.72 : 97,423.20 = 38,762.40 : x
  2. Step 2: Convert to fraction form
    70,590.72/97,423.20 = 38,762.40/x
  3. Step 3: Cross multiply
    70,590.72x = 97,423.20 × 38,762.40
  4. Step 4: Simplify right side
    70,590.72x = 3,776,357,047.68
  5. Step 5: Solve for x
    x = 3,776,357,047.68/70,590.72
  6. Step 6: Final answer
    x = 53,496.51

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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.