Home / 42,854.02-64,281.04-14,782.12

Finding the Fourth Proportional to 42,854.02, 64,281.04 and 14,782.12

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Solution

The fourth proportional to 42,854.02, 64,281.04 and 14,782.12 is: 22,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,854.02 : 64,281.04 = 14,782.12 : x
  2. Step 2: Convert to fraction form
    42,854.02/64,281.04 = 14,782.12/x
  3. Step 3: Cross multiply
    42,854.02x = 64,281.04 × 14,782.12
  4. Step 4: Simplify right side
    42,854.02x = 950,209,849.35
  5. Step 5: Solve for x
    x = 950,209,849.35/42,854.02
  6. Step 6: Final answer
    x = 22,173.18

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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.