Home / 42,223.02-63,325.04-12,637.06

Finding the Fourth Proportional to 42,223.02, 63,325.04 and 12,637.06

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Solution

The fourth proportional to 42,223.02, 63,325.04 and 12,637.06 is: 18,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.02 : 63,325.04 = 12,637.06 : x
  2. Step 2: Convert to fraction form
    42,223.02/63,325.04 = 12,637.06/x
  3. Step 3: Cross multiply
    42,223.02x = 63,325.04 × 12,637.06
  4. Step 4: Simplify right side
    42,223.02x = 800,242,329.98
  5. Step 5: Solve for x
    x = 800,242,329.98/42,223.02
  6. Step 6: Final answer
    x = 18,952.75

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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.