Home / 42,212.02-63,320.90-14,130.94

Finding the Fourth Proportional to 42,212.02, 63,320.90 and 14,130.94

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Solution

The fourth proportional to 42,212.02, 63,320.90 and 14,130.94 is: 21,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.02 : 63,320.90 = 14,130.94 : x
  2. Step 2: Convert to fraction form
    42,212.02/63,320.90 = 14,130.94/x
  3. Step 3: Cross multiply
    42,212.02x = 63,320.90 × 14,130.94
  4. Step 4: Simplify right side
    42,212.02x = 894,783,838.65
  5. Step 5: Solve for x
    x = 894,783,838.65/42,212.02
  6. Step 6: Final answer
    x = 21,197.37

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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.