Home / 53,878.02-74,352.39-30,005.29

Finding the Fourth Proportional to 53,878.02, 74,352.39 and 30,005.29

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Solution

The fourth proportional to 53,878.02, 74,352.39 and 30,005.29 is: 41,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.02 : 74,352.39 = 30,005.29 : x
  2. Step 2: Convert to fraction form
    53,878.02/74,352.39 = 30,005.29/x
  3. Step 3: Cross multiply
    53,878.02x = 74,352.39 × 30,005.29
  4. Step 4: Simplify right side
    53,878.02x = 2,230,965,024.14
  5. Step 5: Solve for x
    x = 2,230,965,024.14/53,878.02
  6. Step 6: Final answer
    x = 41,407.70

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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.