Home / 48,210.56-66,519.12-28,055.24

Finding the Fourth Proportional to 48,210.56, 66,519.12 and 28,055.24

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Solution

The fourth proportional to 48,210.56, 66,519.12 and 28,055.24 is: 38,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,210.56 : 66,519.12 = 28,055.24 : x
  2. Step 2: Convert to fraction form
    48,210.56/66,519.12 = 28,055.24/x
  3. Step 3: Cross multiply
    48,210.56x = 66,519.12 × 28,055.24
  4. Step 4: Simplify right side
    48,210.56x = 1,866,209,876.19
  5. Step 5: Solve for x
    x = 1,866,209,876.19/48,210.56
  6. Step 6: Final answer
    x = 38,709.57

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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.