Home / 61,646.04-92,473.20-21,660.16

Finding the Fourth Proportional to 61,646.04, 92,473.20 and 21,660.16

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Solution

The fourth proportional to 61,646.04, 92,473.20 and 21,660.16 is: 32,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.04 : 92,473.20 = 21,660.16 : x
  2. Step 2: Convert to fraction form
    61,646.04/92,473.20 = 21,660.16/x
  3. Step 3: Cross multiply
    61,646.04x = 92,473.20 × 21,660.16
  4. Step 4: Simplify right side
    61,646.04x = 2,002,984,307.71
  5. Step 5: Solve for x
    x = 2,002,984,307.71/61,646.04
  6. Step 6: Final answer
    x = 32,491.69

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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.