Home / 39,359,319.60-59,056,030.80-21,142,260.30

Finding the Fourth Proportional to 39,359,319.60, 59,056,030.80 and 21,142,260.30

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Solution

The fourth proportional to 39,359,319.60, 59,056,030.80 and 21,142,260.30 is: 31,722,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359,319.60 : 59,056,030.80 = 21,142,260.30 : x
  2. Step 2: Convert to fraction form
    39,359,319.60/59,056,030.80 = 21,142,260.30/x
  3. Step 3: Cross multiply
    39,359,319.60x = 59,056,030.80 × 21,142,260.30
  4. Step 4: Simplify right side
    39,359,319.60x = 1,248,577,975,458,417.25
  5. Step 5: Solve for x
    x = 1,248,577,975,458,417.25/39,359,319.60
  6. Step 6: Final answer
    x = 31,722,549.78

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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.