Home / 70,594.12-97,421.48-40,382.20

Finding the Fourth Proportional to 70,594.12, 97,421.48 and 40,382.20

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Solution

The fourth proportional to 70,594.12, 97,421.48 and 40,382.20 is: 55,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594.12 : 97,421.48 = 40,382.20 : x
  2. Step 2: Convert to fraction form
    70,594.12/97,421.48 = 40,382.20/x
  3. Step 3: Cross multiply
    70,594.12x = 97,421.48 × 40,382.20
  4. Step 4: Simplify right side
    70,594.12x = 3,934,093,689.66
  5. Step 5: Solve for x
    x = 3,934,093,689.66/70,594.12
  6. Step 6: Final answer
    x = 55,728.35

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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.