Home / 42,988.01-64,484.08-18,028.87

Finding the Fourth Proportional to 42,988.01, 64,484.08 and 18,028.87

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Solution

The fourth proportional to 42,988.01, 64,484.08 and 18,028.87 is: 27,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988.01 : 64,484.08 = 18,028.87 : x
  2. Step 2: Convert to fraction form
    42,988.01/64,484.08 = 18,028.87/x
  3. Step 3: Cross multiply
    42,988.01x = 64,484.08 × 18,028.87
  4. Step 4: Simplify right side
    42,988.01x = 1,162,574,889.11
  5. Step 5: Solve for x
    x = 1,162,574,889.11/42,988.01
  6. Step 6: Final answer
    x = 27,044.17

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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.