Home / 31,031.64-46,549.62-10,269.72

Finding the Fourth Proportional to 31,031.64, 46,549.62 and 10,269.72

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Solution

The fourth proportional to 31,031.64, 46,549.62 and 10,269.72 is: 15,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.64 : 46,549.62 = 10,269.72 : x
  2. Step 2: Convert to fraction form
    31,031.64/46,549.62 = 10,269.72/x
  3. Step 3: Cross multiply
    31,031.64x = 46,549.62 × 10,269.72
  4. Step 4: Simplify right side
    31,031.64x = 478,051,563.51
  5. Step 5: Solve for x
    x = 478,051,563.51/31,031.64
  6. Step 6: Final answer
    x = 15,405.29

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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.