Home / 43,006.91-64,528.65-20,836.80

Finding the Fourth Proportional to 43,006.91, 64,528.65 and 20,836.80

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Solution

The fourth proportional to 43,006.91, 64,528.65 and 20,836.80 is: 31,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,006.91 : 64,528.65 = 20,836.80 : x
  2. Step 2: Convert to fraction form
    43,006.91/64,528.65 = 20,836.80/x
  3. Step 3: Cross multiply
    43,006.91x = 64,528.65 × 20,836.80
  4. Step 4: Simplify right side
    43,006.91x = 1,344,570,574.32
  5. Step 5: Solve for x
    x = 1,344,570,574.32/43,006.91
  6. Step 6: Final answer
    x = 31,264.06

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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.