Home / 61,462.89-92,136.02-21,999.69

Finding the Fourth Proportional to 61,462.89, 92,136.02 and 21,999.69

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Solution

The fourth proportional to 61,462.89, 92,136.02 and 21,999.69 is: 32,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,462.89 : 92,136.02 = 21,999.69 : x
  2. Step 2: Convert to fraction form
    61,462.89/92,136.02 = 21,999.69/x
  3. Step 3: Cross multiply
    61,462.89x = 92,136.02 × 21,999.69
  4. Step 4: Simplify right side
    61,462.89x = 2,026,963,767.84
  5. Step 5: Solve for x
    x = 2,026,963,767.84/61,462.89
  6. Step 6: Final answer
    x = 32,978.66

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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.