Home / 45,571.02-62,870.48-28,545.63

Finding the Fourth Proportional to 45,571.02, 62,870.48 and 28,545.63

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Solution

The fourth proportional to 45,571.02, 62,870.48 and 28,545.63 is: 39,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,571.02 : 62,870.48 = 28,545.63 : x
  2. Step 2: Convert to fraction form
    45,571.02/62,870.48 = 28,545.63/x
  3. Step 3: Cross multiply
    45,571.02x = 62,870.48 × 28,545.63
  4. Step 4: Simplify right side
    45,571.02x = 1,794,677,317.27
  5. Step 5: Solve for x
    x = 1,794,677,317.27/45,571.02
  6. Step 6: Final answer
    x = 39,381.99

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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.