Home / 64,712.39-97,068.65-20,343.02

Finding the Fourth Proportional to 64,712.39, 97,068.65 and 20,343.02

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Solution

The fourth proportional to 64,712.39, 97,068.65 and 20,343.02 is: 30,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.39 : 97,068.65 = 20,343.02 : x
  2. Step 2: Convert to fraction form
    64,712.39/97,068.65 = 20,343.02/x
  3. Step 3: Cross multiply
    64,712.39x = 97,068.65 × 20,343.02
  4. Step 4: Simplify right side
    64,712.39x = 1,974,668,901.26
  5. Step 5: Solve for x
    x = 1,974,668,901.26/64,712.39
  6. Step 6: Final answer
    x = 30,514.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.