Home / 34,405.64-51,539.34-20,547.08

Finding the Fourth Proportional to 34,405.64, 51,539.34 and 20,547.08

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Solution

The fourth proportional to 34,405.64, 51,539.34 and 20,547.08 is: 30,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.64 : 51,539.34 = 20,547.08 : x
  2. Step 2: Convert to fraction form
    34,405.64/51,539.34 = 20,547.08/x
  3. Step 3: Cross multiply
    34,405.64x = 51,539.34 × 20,547.08
  4. Step 4: Simplify right side
    34,405.64x = 1,058,982,942.13
  5. Step 5: Solve for x
    x = 1,058,982,942.13/34,405.64
  6. Step 6: Final answer
    x = 30,779.34

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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.