Home / 47,184.40-70,809.36-30,503.05

Finding the Fourth Proportional to 47,184.40, 70,809.36 and 30,503.05

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Solution

The fourth proportional to 47,184.40, 70,809.36 and 30,503.05 is: 45,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,184.40 : 70,809.36 = 30,503.05 : x
  2. Step 2: Convert to fraction form
    47,184.40/70,809.36 = 30,503.05/x
  3. Step 3: Cross multiply
    47,184.40x = 70,809.36 × 30,503.05
  4. Step 4: Simplify right side
    47,184.40x = 2,159,901,448.55
  5. Step 5: Solve for x
    x = 2,159,901,448.55/47,184.40
  6. Step 6: Final answer
    x = 45,775.75

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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.