Home / 30,459.60-42,033.96-17,030.70

Finding the Fourth Proportional to 30,459.60, 42,033.96 and 17,030.70

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Solution

The fourth proportional to 30,459.60, 42,033.96 and 17,030.70 is: 23,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.60 : 42,033.96 = 17,030.70 : x
  2. Step 2: Convert to fraction form
    30,459.60/42,033.96 = 17,030.70/x
  3. Step 3: Cross multiply
    30,459.60x = 42,033.96 × 17,030.70
  4. Step 4: Simplify right side
    30,459.60x = 715,867,762.57
  5. Step 5: Solve for x
    x = 715,867,762.57/30,459.60
  6. Step 6: Final answer
    x = 23,502.20

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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.