Home / 48,113.93-72,170.69-13,053.57

Finding the Fourth Proportional to 48,113.93, 72,170.69 and 13,053.57

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Solution

The fourth proportional to 48,113.93, 72,170.69 and 13,053.57 is: 19,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,113.93 : 72,170.69 = 13,053.57 : x
  2. Step 2: Convert to fraction form
    48,113.93/72,170.69 = 13,053.57/x
  3. Step 3: Cross multiply
    48,113.93x = 72,170.69 × 13,053.57
  4. Step 4: Simplify right side
    48,113.93x = 942,085,088.60
  5. Step 5: Solve for x
    x = 942,085,088.60/48,113.93
  6. Step 6: Final answer
    x = 19,580.30

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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.