Home / 47,130.49-65,070.53-31,236.49

Finding the Fourth Proportional to 47,130.49, 65,070.53 and 31,236.49

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Solution

The fourth proportional to 47,130.49, 65,070.53 and 31,236.49 is: 43,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.49 : 65,070.53 = 31,236.49 : x
  2. Step 2: Convert to fraction form
    47,130.49/65,070.53 = 31,236.49/x
  3. Step 3: Cross multiply
    47,130.49x = 65,070.53 × 31,236.49
  4. Step 4: Simplify right side
    47,130.49x = 2,032,574,757.92
  5. Step 5: Solve for x
    x = 2,032,574,757.92/47,130.49
  6. Step 6: Final answer
    x = 43,126.54

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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.