Home / 51,080.05-70,492.49-30,925.54

Finding the Fourth Proportional to 51,080.05, 70,492.49 and 30,925.54

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Solution

The fourth proportional to 51,080.05, 70,492.49 and 30,925.54 is: 42,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,080.05 : 70,492.49 = 30,925.54 : x
  2. Step 2: Convert to fraction form
    51,080.05/70,492.49 = 30,925.54/x
  3. Step 3: Cross multiply
    51,080.05x = 70,492.49 × 30,925.54
  4. Step 4: Simplify right side
    51,080.05x = 2,180,018,319.19
  5. Step 5: Solve for x
    x = 2,180,018,319.19/51,080.05
  6. Step 6: Final answer
    x = 42,678.47

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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.