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Finding the Fourth Proportional to 58,803.08, 81,148.14 and 31,946.08

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Solution

The fourth proportional to 58,803.08, 81,148.14 and 31,946.08 is: 44,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.08 : 81,148.14 = 31,946.08 : x
  2. Step 2: Convert to fraction form
    58,803.08/81,148.14 = 31,946.08/x
  3. Step 3: Cross multiply
    58,803.08x = 81,148.14 × 31,946.08
  4. Step 4: Simplify right side
    58,803.08x = 2,592,364,972.29
  5. Step 5: Solve for x
    x = 2,592,364,972.29/58,803.08
  6. Step 6: Final answer
    x = 44,085.53

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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.