Home / 39,675.57-59,490.80-30,666.50

Finding the Fourth Proportional to 39,675.57, 59,490.80 and 30,666.50

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Solution

The fourth proportional to 39,675.57, 59,490.80 and 30,666.50 is: 45,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.57 : 59,490.80 = 30,666.50 : x
  2. Step 2: Convert to fraction form
    39,675.57/59,490.80 = 30,666.50/x
  3. Step 3: Cross multiply
    39,675.57x = 59,490.80 × 30,666.50
  4. Step 4: Simplify right side
    39,675.57x = 1,824,374,678.00
  5. Step 5: Solve for x
    x = 1,824,374,678.00/39,675.57
  6. Step 6: Final answer
    x = 45,982.32

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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.