Home / 30,480.39-42,062.76-17,053.11

Finding the Fourth Proportional to 30,480.39, 42,062.76 and 17,053.11

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Solution

The fourth proportional to 30,480.39, 42,062.76 and 17,053.11 is: 23,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.39 : 42,062.76 = 17,053.11 : x
  2. Step 2: Convert to fraction form
    30,480.39/42,062.76 = 17,053.11/x
  3. Step 3: Cross multiply
    30,480.39x = 42,062.76 × 17,053.11
  4. Step 4: Simplify right side
    30,480.39x = 717,300,873.18
  5. Step 5: Solve for x
    x = 717,300,873.18/30,480.39
  6. Step 6: Final answer
    x = 23,533.19

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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.