Home / 40,071.74-60,066.59-20,339.52

Finding the Fourth Proportional to 40,071.74, 60,066.59 and 20,339.52

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Solution

The fourth proportional to 40,071.74, 60,066.59 and 20,339.52 is: 30,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.74 : 60,066.59 = 20,339.52 : x
  2. Step 2: Convert to fraction form
    40,071.74/60,066.59 = 20,339.52/x
  3. Step 3: Cross multiply
    40,071.74x = 60,066.59 × 20,339.52
  4. Step 4: Simplify right side
    40,071.74x = 1,221,725,506.94
  5. Step 5: Solve for x
    x = 1,221,725,506.94/40,071.74
  6. Step 6: Final answer
    x = 30,488.46

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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.