Home / 36,547.20-50,435.52-21,440.40

Finding the Fourth Proportional to 36,547.20, 50,435.52 and 21,440.40

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Solution

The fourth proportional to 36,547.20, 50,435.52 and 21,440.40 is: 29,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,547.20 : 50,435.52 = 21,440.40 : x
  2. Step 2: Convert to fraction form
    36,547.20/50,435.52 = 21,440.40/x
  3. Step 3: Cross multiply
    36,547.20x = 50,435.52 × 21,440.40
  4. Step 4: Simplify right side
    36,547.20x = 1,081,357,723.01
  5. Step 5: Solve for x
    x = 1,081,357,723.01/36,547.20
  6. Step 6: Final answer
    x = 29,587.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.