Home / 43,430.58-65,437.84-39,275.28

Finding the Fourth Proportional to 43,430.58, 65,437.84 and 39,275.28

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Solution

The fourth proportional to 43,430.58, 65,437.84 and 39,275.28 is: 59,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,430.58 : 65,437.84 = 39,275.28 : x
  2. Step 2: Convert to fraction form
    43,430.58/65,437.84 = 39,275.28/x
  3. Step 3: Cross multiply
    43,430.58x = 65,437.84 × 39,275.28
  4. Step 4: Simplify right side
    43,430.58x = 2,570,089,537.69
  5. Step 5: Solve for x
    x = 2,570,089,537.69/43,430.58
  6. Step 6: Final answer
    x = 59,176.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.