Home / 30,063.40-45,030.30-26,780.20

Finding the Fourth Proportional to 30,063.40, 45,030.30 and 26,780.20

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Solution

The fourth proportional to 30,063.40, 45,030.30 and 26,780.20 is: 40,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.40 : 45,030.30 = 26,780.20 : x
  2. Step 2: Convert to fraction form
    30,063.40/45,030.30 = 26,780.20/x
  3. Step 3: Cross multiply
    30,063.40x = 45,030.30 × 26,780.20
  4. Step 4: Simplify right side
    30,063.40x = 1,205,920,440.06
  5. Step 5: Solve for x
    x = 1,205,920,440.06/30,063.40
  6. Step 6: Final answer
    x = 40,112.58

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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.