Home / 43,168.40-64,752.59-20,962.74

Finding the Fourth Proportional to 43,168.40, 64,752.59 and 20,962.74

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Solution

The fourth proportional to 43,168.40, 64,752.59 and 20,962.74 is: 31,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.40 : 64,752.59 = 20,962.74 : x
  2. Step 2: Convert to fraction form
    43,168.40/64,752.59 = 20,962.74/x
  3. Step 3: Cross multiply
    43,168.40x = 64,752.59 × 20,962.74
  4. Step 4: Simplify right side
    43,168.40x = 1,357,391,603.68
  5. Step 5: Solve for x
    x = 1,357,391,603.68/43,168.40
  6. Step 6: Final answer
    x = 31,444.11

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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.