Home / 61,534.40-92,301.60-30,430.40

Finding the Fourth Proportional to 61,534.40, 92,301.60 and 30,430.40

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Solution

The fourth proportional to 61,534.40, 92,301.60 and 30,430.40 is: 45,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.40 : 92,301.60 = 30,430.40 : x
  2. Step 2: Convert to fraction form
    61,534.40/92,301.60 = 30,430.40/x
  3. Step 3: Cross multiply
    61,534.40x = 92,301.60 × 30,430.40
  4. Step 4: Simplify right side
    61,534.40x = 2,808,774,608.64
  5. Step 5: Solve for x
    x = 2,808,774,608.64/61,534.40
  6. Step 6: Final answer
    x = 45,645.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.