Home / 31,485.04-47,236.18-9,298.40

Finding the Fourth Proportional to 31,485.04, 47,236.18 and 9,298.40

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Solution

The fourth proportional to 31,485.04, 47,236.18 and 9,298.40 is: 13,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.04 : 47,236.18 = 9,298.40 : x
  2. Step 2: Convert to fraction form
    31,485.04/47,236.18 = 9,298.40/x
  3. Step 3: Cross multiply
    31,485.04x = 47,236.18 × 9,298.40
  4. Step 4: Simplify right side
    31,485.04x = 439,220,654.12
  5. Step 5: Solve for x
    x = 439,220,654.12/31,485.04
  6. Step 6: Final answer
    x = 13,950.14

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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.