Home / 36,400.03-54,607.80-20,612.45

Finding the Fourth Proportional to 36,400.03, 54,607.80 and 20,612.45

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Solution

The fourth proportional to 36,400.03, 54,607.80 and 20,612.45 is: 30,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.03 : 54,607.80 = 20,612.45 : x
  2. Step 2: Convert to fraction form
    36,400.03/54,607.80 = 20,612.45/x
  3. Step 3: Cross multiply
    36,400.03x = 54,607.80 × 20,612.45
  4. Step 4: Simplify right side
    36,400.03x = 1,125,600,547.11
  5. Step 5: Solve for x
    x = 1,125,600,547.11/36,400.03
  6. Step 6: Final answer
    x = 30,923.07

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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.