Home / 60,260.36-90,390.08-18,140.24

Finding the Fourth Proportional to 60,260.36, 90,390.08 and 18,140.24

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Solution

The fourth proportional to 60,260.36, 90,390.08 and 18,140.24 is: 27,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,260.36 : 90,390.08 = 18,140.24 : x
  2. Step 2: Convert to fraction form
    60,260.36/90,390.08 = 18,140.24/x
  3. Step 3: Cross multiply
    60,260.36x = 90,390.08 × 18,140.24
  4. Step 4: Simplify right side
    60,260.36x = 1,639,697,744.82
  5. Step 5: Solve for x
    x = 1,639,697,744.82/60,260.36
  6. Step 6: Final answer
    x = 27,210.22

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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.