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Finding the Fourth Proportional to 60,645.51, 90,965.18 and 23,202.70

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Solution

The fourth proportional to 60,645.51, 90,965.18 and 23,202.70 is: 34,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.51 : 90,965.18 = 23,202.70 : x
  2. Step 2: Convert to fraction form
    60,645.51/90,965.18 = 23,202.70/x
  3. Step 3: Cross multiply
    60,645.51x = 90,965.18 × 23,202.70
  4. Step 4: Simplify right side
    60,645.51x = 2,110,637,993.74
  5. Step 5: Solve for x
    x = 2,110,637,993.74/60,645.51
  6. Step 6: Final answer
    x = 34,802.87

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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.