Home / 42,920.36-64,341.34-16,605.28

Finding the Fourth Proportional to 42,920.36, 64,341.34 and 16,605.28

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Solution

The fourth proportional to 42,920.36, 64,341.34 and 16,605.28 is: 24,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920.36 : 64,341.34 = 16,605.28 : x
  2. Step 2: Convert to fraction form
    42,920.36/64,341.34 = 16,605.28/x
  3. Step 3: Cross multiply
    42,920.36x = 64,341.34 × 16,605.28
  4. Step 4: Simplify right side
    42,920.36x = 1,068,405,966.28
  5. Step 5: Solve for x
    x = 1,068,405,966.28/42,920.36
  6. Step 6: Final answer
    x = 24,892.75

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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.