Home / 53,336.04-79,981.26-18,279.24

Finding the Fourth Proportional to 53,336.04, 79,981.26 and 18,279.24

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Solution

The fourth proportional to 53,336.04, 79,981.26 and 18,279.24 is: 27,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,336.04 : 79,981.26 = 18,279.24 : x
  2. Step 2: Convert to fraction form
    53,336.04/79,981.26 = 18,279.24/x
  3. Step 3: Cross multiply
    53,336.04x = 79,981.26 × 18,279.24
  4. Step 4: Simplify right side
    53,336.04x = 1,461,996,647.04
  5. Step 5: Solve for x
    x = 1,461,996,647.04/53,336.04
  6. Step 6: Final answer
    x = 27,411.05

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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.