Home / 31,810.24-47,641.52-30,703.10

Finding the Fourth Proportional to 31,810.24, 47,641.52 and 30,703.10

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Solution

The fourth proportional to 31,810.24, 47,641.52 and 30,703.10 is: 45,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.24 : 47,641.52 = 30,703.10 : x
  2. Step 2: Convert to fraction form
    31,810.24/47,641.52 = 30,703.10/x
  3. Step 3: Cross multiply
    31,810.24x = 47,641.52 × 30,703.10
  4. Step 4: Simplify right side
    31,810.24x = 1,462,742,352.71
  5. Step 5: Solve for x
    x = 1,462,742,352.71/31,810.24
  6. Step 6: Final answer
    x = 45,983.38

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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.