Home / 47,368.08-70,871.63-42,119.28

Finding the Fourth Proportional to 47,368.08, 70,871.63 and 42,119.28

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Solution

The fourth proportional to 47,368.08, 70,871.63 and 42,119.28 is: 63,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.08 : 70,871.63 = 42,119.28 : x
  2. Step 2: Convert to fraction form
    47,368.08/70,871.63 = 42,119.28/x
  3. Step 3: Cross multiply
    47,368.08x = 70,871.63 × 42,119.28
  4. Step 4: Simplify right side
    47,368.08x = 2,985,061,817.43
  5. Step 5: Solve for x
    x = 2,985,061,817.43/47,368.08
  6. Step 6: Final answer
    x = 63,018.43

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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.