Home / 54,281.10-81,421.65-14,842.20

Finding the Fourth Proportional to 54,281.10, 81,421.65 and 14,842.20

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Solution

The fourth proportional to 54,281.10, 81,421.65 and 14,842.20 is: 22,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.10 : 81,421.65 = 14,842.20 : x
  2. Step 2: Convert to fraction form
    54,281.10/81,421.65 = 14,842.20/x
  3. Step 3: Cross multiply
    54,281.10x = 81,421.65 × 14,842.20
  4. Step 4: Simplify right side
    54,281.10x = 1,208,476,413.63
  5. Step 5: Solve for x
    x = 1,208,476,413.63/54,281.10
  6. Step 6: Final answer
    x = 22,263.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.