Home / 53,739.62-74,154.76-31,075.18

Finding the Fourth Proportional to 53,739.62, 74,154.76 and 31,075.18

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Solution

The fourth proportional to 53,739.62, 74,154.76 and 31,075.18 is: 42,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.62 : 74,154.76 = 31,075.18 : x
  2. Step 2: Convert to fraction form
    53,739.62/74,154.76 = 31,075.18/x
  3. Step 3: Cross multiply
    53,739.62x = 74,154.76 × 31,075.18
  4. Step 4: Simplify right side
    53,739.62x = 2,304,372,514.86
  5. Step 5: Solve for x
    x = 2,304,372,514.86/53,739.62
  6. Step 6: Final answer
    x = 42,880.33

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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.