Home / 53,488.36-73,822.02-30,830.71

Finding the Fourth Proportional to 53,488.36, 73,822.02 and 30,830.71

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Solution

The fourth proportional to 53,488.36, 73,822.02 and 30,830.71 is: 42,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.36 : 73,822.02 = 30,830.71 : x
  2. Step 2: Convert to fraction form
    53,488.36/73,822.02 = 30,830.71/x
  3. Step 3: Cross multiply
    53,488.36x = 73,822.02 × 30,830.71
  4. Step 4: Simplify right side
    53,488.36x = 2,275,985,290.23
  5. Step 5: Solve for x
    x = 2,275,985,290.23/53,488.36
  6. Step 6: Final answer
    x = 42,551.04

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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.