Home / 53,328.10-79,996.74-13,885.17

Finding the Fourth Proportional to 53,328.10, 79,996.74 and 13,885.17

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Solution

The fourth proportional to 53,328.10, 79,996.74 and 13,885.17 is: 20,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.10 : 79,996.74 = 13,885.17 : x
  2. Step 2: Convert to fraction form
    53,328.10/79,996.74 = 13,885.17/x
  3. Step 3: Cross multiply
    53,328.10x = 79,996.74 × 13,885.17
  4. Step 4: Simplify right side
    53,328.10x = 1,110,768,471.32
  5. Step 5: Solve for x
    x = 1,110,768,471.32/53,328.10
  6. Step 6: Final answer
    x = 20,828.95

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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.