Home / 35,647.02-49,205.22-20,545.74

Finding the Fourth Proportional to 35,647.02, 49,205.22 and 20,545.74

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Solution

The fourth proportional to 35,647.02, 49,205.22 and 20,545.74 is: 28,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.02 : 49,205.22 = 20,545.74 : x
  2. Step 2: Convert to fraction form
    35,647.02/49,205.22 = 20,545.74/x
  3. Step 3: Cross multiply
    35,647.02x = 49,205.22 × 20,545.74
  4. Step 4: Simplify right side
    35,647.02x = 1,010,957,656.76
  5. Step 5: Solve for x
    x = 1,010,957,656.76/35,647.02
  6. Step 6: Final answer
    x = 28,360.23

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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.