Home / 42,678.73-64,018.10-14,599.05

Finding the Fourth Proportional to 42,678.73, 64,018.10 and 14,599.05

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Solution

The fourth proportional to 42,678.73, 64,018.10 and 14,599.05 is: 21,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678.73 : 64,018.10 = 14,599.05 : x
  2. Step 2: Convert to fraction form
    42,678.73/64,018.10 = 14,599.05/x
  3. Step 3: Cross multiply
    42,678.73x = 64,018.10 × 14,599.05
  4. Step 4: Simplify right side
    42,678.73x = 934,603,442.81
  5. Step 5: Solve for x
    x = 934,603,442.81/42,678.73
  6. Step 6: Final answer
    x = 21,898.58

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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.