Home / 54,367.47-75,019.77-30,492.72

Finding the Fourth Proportional to 54,367.47, 75,019.77 and 30,492.72

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Solution

The fourth proportional to 54,367.47, 75,019.77 and 30,492.72 is: 42,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.47 : 75,019.77 = 30,492.72 : x
  2. Step 2: Convert to fraction form
    54,367.47/75,019.77 = 30,492.72/x
  3. Step 3: Cross multiply
    54,367.47x = 75,019.77 × 30,492.72
  4. Step 4: Simplify right side
    54,367.47x = 2,287,556,841.07
  5. Step 5: Solve for x
    x = 2,287,556,841.07/54,367.47
  6. Step 6: Final answer
    x = 42,075.84

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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.