Home / 64,841.28-97,225.44-20,459.76

Finding the Fourth Proportional to 64,841.28, 97,225.44 and 20,459.76

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Solution

The fourth proportional to 64,841.28, 97,225.44 and 20,459.76 is: 30,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.28 : 97,225.44 = 20,459.76 : x
  2. Step 2: Convert to fraction form
    64,841.28/97,225.44 = 20,459.76/x
  3. Step 3: Cross multiply
    64,841.28x = 97,225.44 × 20,459.76
  4. Step 4: Simplify right side
    64,841.28x = 1,989,209,168.29
  5. Step 5: Solve for x
    x = 1,989,209,168.29/64,841.28
  6. Step 6: Final answer
    x = 30,678.13

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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.