Home / 61,430.16-84,826.26-38,808.48

Finding the Fourth Proportional to 61,430.16, 84,826.26 and 38,808.48

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Solution

The fourth proportional to 61,430.16, 84,826.26 and 38,808.48 is: 53,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,430.16 : 84,826.26 = 38,808.48 : x
  2. Step 2: Convert to fraction form
    61,430.16/84,826.26 = 38,808.48/x
  3. Step 3: Cross multiply
    61,430.16x = 84,826.26 × 38,808.48
  4. Step 4: Simplify right side
    61,430.16x = 3,291,978,214.68
  5. Step 5: Solve for x
    x = 3,291,978,214.68/61,430.16
  6. Step 6: Final answer
    x = 53,588.96

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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.