Home / 53,678.48-74,146.02-40,853.75

Finding the Fourth Proportional to 53,678.48, 74,146.02 and 40,853.75

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Solution

The fourth proportional to 53,678.48, 74,146.02 and 40,853.75 is: 56,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.48 : 74,146.02 = 40,853.75 : x
  2. Step 2: Convert to fraction form
    53,678.48/74,146.02 = 40,853.75/x
  3. Step 3: Cross multiply
    53,678.48x = 74,146.02 × 40,853.75
  4. Step 4: Simplify right side
    53,678.48x = 3,029,142,964.58
  5. Step 5: Solve for x
    x = 3,029,142,964.58/53,678.48
  6. Step 6: Final answer
    x = 56,431.24

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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.