Home / 34,117.29-47,081.95-19,779.90

Finding the Fourth Proportional to 34,117.29, 47,081.95 and 19,779.90

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Solution

The fourth proportional to 34,117.29, 47,081.95 and 19,779.90 is: 27,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.29 : 47,081.95 = 19,779.90 : x
  2. Step 2: Convert to fraction form
    34,117.29/47,081.95 = 19,779.90/x
  3. Step 3: Cross multiply
    34,117.29x = 47,081.95 × 19,779.90
  4. Step 4: Simplify right side
    34,117.29x = 931,276,262.81
  5. Step 5: Solve for x
    x = 931,276,262.81/34,117.29
  6. Step 6: Final answer
    x = 27,296.32

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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.