Home / 31,384.64-47,077.32-10,326.08

Finding the Fourth Proportional to 31,384.64, 47,077.32 and 10,326.08

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Solution

The fourth proportional to 31,384.64, 47,077.32 and 10,326.08 is: 15,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.64 : 47,077.32 = 10,326.08 : x
  2. Step 2: Convert to fraction form
    31,384.64/47,077.32 = 10,326.08/x
  3. Step 3: Cross multiply
    31,384.64x = 47,077.32 × 10,326.08
  4. Step 4: Simplify right side
    31,384.64x = 486,124,172.51
  5. Step 5: Solve for x
    x = 486,124,172.51/31,384.64
  6. Step 6: Final answer
    x = 15,489.24

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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.