Home / 42,837.28-64,239.96-14,749.48

Finding the Fourth Proportional to 42,837.28, 64,239.96 and 14,749.48

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Solution

The fourth proportional to 42,837.28, 64,239.96 and 14,749.48 is: 22,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.28 : 64,239.96 = 14,749.48 : x
  2. Step 2: Convert to fraction form
    42,837.28/64,239.96 = 14,749.48/x
  3. Step 3: Cross multiply
    42,837.28x = 64,239.96 × 14,749.48
  4. Step 4: Simplify right side
    42,837.28x = 947,506,005.22
  5. Step 5: Solve for x
    x = 947,506,005.22/42,837.28
  6. Step 6: Final answer
    x = 22,118.72

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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.