Home / 30,459.54-42,031.58-17,032.70

Finding the Fourth Proportional to 30,459.54, 42,031.58 and 17,032.70

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Solution

The fourth proportional to 30,459.54, 42,031.58 and 17,032.70 is: 23,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.54 : 42,031.58 = 17,032.70 : x
  2. Step 2: Convert to fraction form
    30,459.54/42,031.58 = 17,032.70/x
  3. Step 3: Cross multiply
    30,459.54x = 42,031.58 × 17,032.70
  4. Step 4: Simplify right side
    30,459.54x = 715,911,292.67
  5. Step 5: Solve for x
    x = 715,911,292.67/30,459.54
  6. Step 6: Final answer
    x = 23,503.68

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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.