Home / 49,703.31-68,588.42-28,484.55

Finding the Fourth Proportional to 49,703.31, 68,588.42 and 28,484.55

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Solution

The fourth proportional to 49,703.31, 68,588.42 and 28,484.55 is: 39,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,703.31 : 68,588.42 = 28,484.55 : x
  2. Step 2: Convert to fraction form
    49,703.31/68,588.42 = 28,484.55/x
  3. Step 3: Cross multiply
    49,703.31x = 68,588.42 × 28,484.55
  4. Step 4: Simplify right side
    49,703.31x = 1,953,710,136.49
  5. Step 5: Solve for x
    x = 1,953,710,136.49/49,703.31
  6. Step 6: Final answer
    x = 39,307.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.