Home / 31,569.48-47,302.18-28,314.09

Finding the Fourth Proportional to 31,569.48, 47,302.18 and 28,314.09

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Solution

The fourth proportional to 31,569.48, 47,302.18 and 28,314.09 is: 42,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.48 : 47,302.18 = 28,314.09 : x
  2. Step 2: Convert to fraction form
    31,569.48/47,302.18 = 28,314.09/x
  3. Step 3: Cross multiply
    31,569.48x = 47,302.18 × 28,314.09
  4. Step 4: Simplify right side
    31,569.48x = 1,339,317,803.63
  5. Step 5: Solve for x
    x = 1,339,317,803.63/31,569.48
  6. Step 6: Final answer
    x = 42,424.46

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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.