Home / 47,988.04-71,834.44-31,312.16

Finding the Fourth Proportional to 47,988.04, 71,834.44 and 31,312.16

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Solution

The fourth proportional to 47,988.04, 71,834.44 and 31,312.16 is: 46,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.04 : 71,834.44 = 31,312.16 : x
  2. Step 2: Convert to fraction form
    47,988.04/71,834.44 = 31,312.16/x
  3. Step 3: Cross multiply
    47,988.04x = 71,834.44 × 31,312.16
  4. Step 4: Simplify right side
    47,988.04x = 2,249,291,478.79
  5. Step 5: Solve for x
    x = 2,249,291,478.79/47,988.04
  6. Step 6: Final answer
    x = 46,871.92

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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.