Home / 73,026.04-109,557.28-20,435.07

Finding the Fourth Proportional to 73,026.04, 109,557.28 and 20,435.07

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Solution

The fourth proportional to 73,026.04, 109,557.28 and 20,435.07 is: 30,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,026.04 : 109,557.28 = 20,435.07 : x
  2. Step 2: Convert to fraction form
    73,026.04/109,557.28 = 20,435.07/x
  3. Step 3: Cross multiply
    73,026.04x = 109,557.28 × 20,435.07
  4. Step 4: Simplify right side
    73,026.04x = 2,238,810,685.81
  5. Step 5: Solve for x
    x = 2,238,810,685.81/73,026.04
  6. Step 6: Final answer
    x = 30,657.70

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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.