Home / 31,570.48-47,303.67-28,315.09

Finding the Fourth Proportional to 31,570.48, 47,303.67 and 28,315.09

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Solution

The fourth proportional to 31,570.48, 47,303.67 and 28,315.09 is: 42,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.48 : 47,303.67 = 28,315.09 : x
  2. Step 2: Convert to fraction form
    31,570.48/47,303.67 = 28,315.09/x
  3. Step 3: Cross multiply
    31,570.48x = 47,303.67 × 28,315.09
  4. Step 4: Simplify right side
    31,570.48x = 1,339,407,673.38
  5. Step 5: Solve for x
    x = 1,339,407,673.38/31,570.48
  6. Step 6: Final answer
    x = 42,425.95

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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.