Home / 43,116.71-64,681.13-13,536.92

Finding the Fourth Proportional to 43,116.71, 64,681.13 and 13,536.92

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Solution

The fourth proportional to 43,116.71, 64,681.13 and 13,536.92 is: 20,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,116.71 : 64,681.13 = 13,536.92 : x
  2. Step 2: Convert to fraction form
    43,116.71/64,681.13 = 13,536.92/x
  3. Step 3: Cross multiply
    43,116.71x = 64,681.13 × 13,536.92
  4. Step 4: Simplify right side
    43,116.71x = 875,583,477.86
  5. Step 5: Solve for x
    x = 875,583,477.86/43,116.71
  6. Step 6: Final answer
    x = 20,307.29

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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.