Home / 31,688.58-47,518.29-17,837.58

Finding the Fourth Proportional to 31,688.58, 47,518.29 and 17,837.58

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Solution

The fourth proportional to 31,688.58, 47,518.29 and 17,837.58 is: 26,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.58 : 47,518.29 = 17,837.58 : x
  2. Step 2: Convert to fraction form
    31,688.58/47,518.29 = 17,837.58/x
  3. Step 3: Cross multiply
    31,688.58x = 47,518.29 × 17,837.58
  4. Step 4: Simplify right side
    31,688.58x = 847,611,299.34
  5. Step 5: Solve for x
    x = 847,611,299.34/31,688.58
  6. Step 6: Final answer
    x = 26,748.16

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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.