Home / 60,012.13-90,074.73-30,451.18

Finding the Fourth Proportional to 60,012.13, 90,074.73 and 30,451.18

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Solution

The fourth proportional to 60,012.13, 90,074.73 and 30,451.18 is: 45,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.13 : 90,074.73 = 30,451.18 : x
  2. Step 2: Convert to fraction form
    60,012.13/90,074.73 = 30,451.18/x
  3. Step 3: Cross multiply
    60,012.13x = 90,074.73 × 30,451.18
  4. Step 4: Simplify right side
    60,012.13x = 2,742,881,816.68
  5. Step 5: Solve for x
    x = 2,742,881,816.68/60,012.13
  6. Step 6: Final answer
    x = 45,705.46

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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.