Home / 45,059.01-67,547.74-21,351.79

Finding the Fourth Proportional to 45,059.01, 67,547.74 and 21,351.79

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Solution

The fourth proportional to 45,059.01, 67,547.74 and 21,351.79 is: 32,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,059.01 : 67,547.74 = 21,351.79 : x
  2. Step 2: Convert to fraction form
    45,059.01/67,547.74 = 21,351.79/x
  3. Step 3: Cross multiply
    45,059.01x = 67,547.74 × 21,351.79
  4. Step 4: Simplify right side
    45,059.01x = 1,442,265,159.45
  5. Step 5: Solve for x
    x = 1,442,265,159.45/45,059.01
  6. Step 6: Final answer
    x = 32,008.36

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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.