Home / 68,428.04-94,430.80-38,213.24

Finding the Fourth Proportional to 68,428.04, 94,430.80 and 38,213.24

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Solution

The fourth proportional to 68,428.04, 94,430.80 and 38,213.24 is: 52,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,428.04 : 94,430.80 = 38,213.24 : x
  2. Step 2: Convert to fraction form
    68,428.04/94,430.80 = 38,213.24/x
  3. Step 3: Cross multiply
    68,428.04x = 94,430.80 × 38,213.24
  4. Step 4: Simplify right side
    68,428.04x = 3,608,506,823.79
  5. Step 5: Solve for x
    x = 3,608,506,823.79/68,428.04
  6. Step 6: Final answer
    x = 52,734.33

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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.