Home / 42,997.64-64,430.70-18,024.07

Finding the Fourth Proportional to 42,997.64, 64,430.70 and 18,024.07

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Solution

The fourth proportional to 42,997.64, 64,430.70 and 18,024.07 is: 27,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.64 : 64,430.70 = 18,024.07 : x
  2. Step 2: Convert to fraction form
    42,997.64/64,430.70 = 18,024.07/x
  3. Step 3: Cross multiply
    42,997.64x = 64,430.70 × 18,024.07
  4. Step 4: Simplify right side
    42,997.64x = 1,161,303,446.95
  5. Step 5: Solve for x
    x = 1,161,303,446.95/42,997.64
  6. Step 6: Final answer
    x = 27,008.54

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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.