Home / 63,030.80-94,421.40-40,859.60

Finding the Fourth Proportional to 63,030.80, 94,421.40 and 40,859.60

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Solution

The fourth proportional to 63,030.80, 94,421.40 and 40,859.60 is: 61,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,030.80 : 94,421.40 = 40,859.60 : x
  2. Step 2: Convert to fraction form
    63,030.80/94,421.40 = 40,859.60/x
  3. Step 3: Cross multiply
    63,030.80x = 94,421.40 × 40,859.60
  4. Step 4: Simplify right side
    63,030.80x = 3,858,020,635.44
  5. Step 5: Solve for x
    x = 3,858,020,635.44/63,030.80
  6. Step 6: Final answer
    x = 61,208.50

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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.