Home / 53,678.12-74,073.56-29,803.37

Finding the Fourth Proportional to 53,678.12, 74,073.56 and 29,803.37

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Solution

The fourth proportional to 53,678.12, 74,073.56 and 29,803.37 is: 41,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.12 : 74,073.56 = 29,803.37 : x
  2. Step 2: Convert to fraction form
    53,678.12/74,073.56 = 29,803.37/x
  3. Step 3: Cross multiply
    53,678.12x = 74,073.56 × 29,803.37
  4. Step 4: Simplify right side
    53,678.12x = 2,207,641,196.51
  5. Step 5: Solve for x
    x = 2,207,641,196.51/53,678.12
  6. Step 6: Final answer
    x = 41,127.40

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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.