Home / 34,779.83-47,988.17-19,669.22

Finding the Fourth Proportional to 34,779.83, 47,988.17 and 19,669.22

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Solution

The fourth proportional to 34,779.83, 47,988.17 and 19,669.22 is: 27,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.83 : 47,988.17 = 19,669.22 : x
  2. Step 2: Convert to fraction form
    34,779.83/47,988.17 = 19,669.22/x
  3. Step 3: Cross multiply
    34,779.83x = 47,988.17 × 19,669.22
  4. Step 4: Simplify right side
    34,779.83x = 943,889,776.39
  5. Step 5: Solve for x
    x = 943,889,776.39/34,779.83
  6. Step 6: Final answer
    x = 27,139.00

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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.