Home / 43,088.68-64,631.14-13,505.84

Finding the Fourth Proportional to 43,088.68, 64,631.14 and 13,505.84

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Solution

The fourth proportional to 43,088.68, 64,631.14 and 13,505.84 is: 20,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,088.68 : 64,631.14 = 13,505.84 : x
  2. Step 2: Convert to fraction form
    43,088.68/64,631.14 = 13,505.84/x
  3. Step 3: Cross multiply
    43,088.68x = 64,631.14 × 13,505.84
  4. Step 4: Simplify right side
    43,088.68x = 872,897,835.86
  5. Step 5: Solve for x
    x = 872,897,835.86/43,088.68
  6. Step 6: Final answer
    x = 20,258.17

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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.