Home / 49,461.21-74,265.93-42,818.20

Finding the Fourth Proportional to 49,461.21, 74,265.93 and 42,818.20

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Solution

The fourth proportional to 49,461.21, 74,265.93 and 42,818.20 is: 64,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.21 : 74,265.93 = 42,818.20 : x
  2. Step 2: Convert to fraction form
    49,461.21/74,265.93 = 42,818.20/x
  3. Step 3: Cross multiply
    49,461.21x = 74,265.93 × 42,818.20
  4. Step 4: Simplify right side
    49,461.21x = 3,179,933,443.93
  5. Step 5: Solve for x
    x = 3,179,933,443.93/49,461.21
  6. Step 6: Final answer
    x = 64,291.46

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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.