Home / 42,705.49-64,051.67-14,242.95

Finding the Fourth Proportional to 42,705.49, 64,051.67 and 14,242.95

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Solution

The fourth proportional to 42,705.49, 64,051.67 and 14,242.95 is: 21,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705.49 : 64,051.67 = 14,242.95 : x
  2. Step 2: Convert to fraction form
    42,705.49/64,051.67 = 14,242.95/x
  3. Step 3: Cross multiply
    42,705.49x = 64,051.67 × 14,242.95
  4. Step 4: Simplify right side
    42,705.49x = 912,284,733.23
  5. Step 5: Solve for x
    x = 912,284,733.23/42,705.49
  6. Step 6: Final answer
    x = 21,362.24

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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.