Home / 47,638.10-65,736.27-26,417.30

Finding the Fourth Proportional to 47,638.10, 65,736.27 and 26,417.30

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Solution

The fourth proportional to 47,638.10, 65,736.27 and 26,417.30 is: 36,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.10 : 65,736.27 = 26,417.30 : x
  2. Step 2: Convert to fraction form
    47,638.10/65,736.27 = 26,417.30/x
  3. Step 3: Cross multiply
    47,638.10x = 65,736.27 × 26,417.30
  4. Step 4: Simplify right side
    47,638.10x = 1,736,574,765.47
  5. Step 5: Solve for x
    x = 1,736,574,765.47/47,638.10
  6. Step 6: Final answer
    x = 36,453.49

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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.