Home / 55,880.12-77,051.58-40,746.08

Finding the Fourth Proportional to 55,880.12, 77,051.58 and 40,746.08

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Solution

The fourth proportional to 55,880.12, 77,051.58 and 40,746.08 is: 56,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880.12 : 77,051.58 = 40,746.08 : x
  2. Step 2: Convert to fraction form
    55,880.12/77,051.58 = 40,746.08/x
  3. Step 3: Cross multiply
    55,880.12x = 77,051.58 × 40,746.08
  4. Step 4: Simplify right side
    55,880.12x = 3,139,549,842.81
  5. Step 5: Solve for x
    x = 3,139,549,842.81/55,880.12
  6. Step 6: Final answer
    x = 56,183.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.