Home / 47,421.19-65,454.88-31,300.26

Finding the Fourth Proportional to 47,421.19, 65,454.88 and 31,300.26

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Solution

The fourth proportional to 47,421.19, 65,454.88 and 31,300.26 is: 43,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.19 : 65,454.88 = 31,300.26 : x
  2. Step 2: Convert to fraction form
    47,421.19/65,454.88 = 31,300.26/x
  3. Step 3: Cross multiply
    47,421.19x = 65,454.88 × 31,300.26
  4. Step 4: Simplify right side
    47,421.19x = 2,048,754,961.49
  5. Step 5: Solve for x
    x = 2,048,754,961.49/47,421.19
  6. Step 6: Final answer
    x = 43,203.37

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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.