Home / 31,557.15-47,332.08-9,368.21

Finding the Fourth Proportional to 31,557.15, 47,332.08 and 9,368.21

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Solution

The fourth proportional to 31,557.15, 47,332.08 and 9,368.21 is: 14,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.15 : 47,332.08 = 9,368.21 : x
  2. Step 2: Convert to fraction form
    31,557.15/47,332.08 = 9,368.21/x
  3. Step 3: Cross multiply
    31,557.15x = 47,332.08 × 9,368.21
  4. Step 4: Simplify right side
    31,557.15x = 443,416,983.51
  5. Step 5: Solve for x
    x = 443,416,983.51/31,557.15
  6. Step 6: Final answer
    x = 14,051.24

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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.