Home / 42,699.48-64,047.84-19,325.94

Finding the Fourth Proportional to 42,699.48, 64,047.84 and 19,325.94

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Solution

The fourth proportional to 42,699.48, 64,047.84 and 19,325.94 is: 28,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.48 : 64,047.84 = 19,325.94 : x
  2. Step 2: Convert to fraction form
    42,699.48/64,047.84 = 19,325.94/x
  3. Step 3: Cross multiply
    42,699.48x = 64,047.84 × 19,325.94
  4. Step 4: Simplify right side
    42,699.48x = 1,237,784,712.97
  5. Step 5: Solve for x
    x = 1,237,784,712.97/42,699.48
  6. Step 6: Final answer
    x = 28,988.29

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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.