Home / 55,698.38-76,867.40-30,547.88

Finding the Fourth Proportional to 55,698.38, 76,867.40 and 30,547.88

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Solution

The fourth proportional to 55,698.38, 76,867.40 and 30,547.88 is: 42,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698.38 : 76,867.40 = 30,547.88 : x
  2. Step 2: Convert to fraction form
    55,698.38/76,867.40 = 30,547.88/x
  3. Step 3: Cross multiply
    55,698.38x = 76,867.40 × 30,547.88
  4. Step 4: Simplify right side
    55,698.38x = 2,348,135,803.14
  5. Step 5: Solve for x
    x = 2,348,135,803.14/55,698.38
  6. Step 6: Final answer
    x = 42,158.07

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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.