Home / 58,946.23-81,333.86-56,921.13

Finding the Fourth Proportional to 58,946.23, 81,333.86 and 56,921.13

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Solution

The fourth proportional to 58,946.23, 81,333.86 and 56,921.13 is: 78,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,946.23 : 81,333.86 = 56,921.13 : x
  2. Step 2: Convert to fraction form
    58,946.23/81,333.86 = 56,921.13/x
  3. Step 3: Cross multiply
    58,946.23x = 81,333.86 × 56,921.13
  4. Step 4: Simplify right side
    58,946.23x = 4,629,614,933.86
  5. Step 5: Solve for x
    x = 4,629,614,933.86/58,946.23
  6. Step 6: Final answer
    x = 78,539.63

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1.5x scale

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.