Home / 47,283.48-65,277.90-31,389.66

Finding the Fourth Proportional to 47,283.48, 65,277.90 and 31,389.66

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Solution

The fourth proportional to 47,283.48, 65,277.90 and 31,389.66 is: 43,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,283.48 : 65,277.90 = 31,389.66 : x
  2. Step 2: Convert to fraction form
    47,283.48/65,277.90 = 31,389.66/x
  3. Step 3: Cross multiply
    47,283.48x = 65,277.90 × 31,389.66
  4. Step 4: Simplify right side
    47,283.48x = 2,049,051,086.51
  5. Step 5: Solve for x
    x = 2,049,051,086.51/47,283.48
  6. Step 6: Final answer
    x = 43,335.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.