Home / 39,547.80-59,235.30-30,713.40

Finding the Fourth Proportional to 39,547.80, 59,235.30 and 30,713.40

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Solution

The fourth proportional to 39,547.80, 59,235.30 and 30,713.40 is: 46,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,547.80 : 59,235.30 = 30,713.40 : x
  2. Step 2: Convert to fraction form
    39,547.80/59,235.30 = 30,713.40/x
  3. Step 3: Cross multiply
    39,547.80x = 59,235.30 × 30,713.40
  4. Step 4: Simplify right side
    39,547.80x = 1,819,317,463.02
  5. Step 5: Solve for x
    x = 1,819,317,463.02/39,547.80
  6. Step 6: Final answer
    x = 46,003.00

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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.