Home / 53,696.08-74,163.54-42,978.16

Finding the Fourth Proportional to 53,696.08, 74,163.54 and 42,978.16

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Solution

The fourth proportional to 53,696.08, 74,163.54 and 42,978.16 is: 59,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,696.08 : 74,163.54 = 42,978.16 : x
  2. Step 2: Convert to fraction form
    53,696.08/74,163.54 = 42,978.16/x
  3. Step 3: Cross multiply
    53,696.08x = 74,163.54 × 42,978.16
  4. Step 4: Simplify right side
    53,696.08x = 3,187,412,488.29
  5. Step 5: Solve for x
    x = 3,187,412,488.29/53,696.08
  6. Step 6: Final answer
    x = 59,360.25

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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.