Home / 40,051.49-59,967.77-28,818.05

Finding the Fourth Proportional to 40,051.49, 59,967.77 and 28,818.05

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Solution

The fourth proportional to 40,051.49, 59,967.77 and 28,818.05 is: 43,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.49 : 59,967.77 = 28,818.05 : x
  2. Step 2: Convert to fraction form
    40,051.49/59,967.77 = 28,818.05/x
  3. Step 3: Cross multiply
    40,051.49x = 59,967.77 × 28,818.05
  4. Step 4: Simplify right side
    40,051.49x = 1,728,154,337.35
  5. Step 5: Solve for x
    x = 1,728,154,337.35/40,051.49
  6. Step 6: Final answer
    x = 43,148.32

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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.