Home / 40,037.08-59,968.14-20,281.72

Finding the Fourth Proportional to 40,037.08, 59,968.14 and 20,281.72

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Solution

The fourth proportional to 40,037.08, 59,968.14 and 20,281.72 is: 30,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.08 : 59,968.14 = 20,281.72 : x
  2. Step 2: Convert to fraction form
    40,037.08/59,968.14 = 20,281.72/x
  3. Step 3: Cross multiply
    40,037.08x = 59,968.14 × 20,281.72
  4. Step 4: Simplify right side
    40,037.08x = 1,216,257,024.40
  5. Step 5: Solve for x
    x = 1,216,257,024.40/40,037.08
  6. Step 6: Final answer
    x = 30,378.26

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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.