Home / 56,528.98-78,006.09-31,376.50

Finding the Fourth Proportional to 56,528.98, 78,006.09 and 31,376.50

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Solution

The fourth proportional to 56,528.98, 78,006.09 and 31,376.50 is: 43,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,528.98 : 78,006.09 = 31,376.50 : x
  2. Step 2: Convert to fraction form
    56,528.98/78,006.09 = 31,376.50/x
  3. Step 3: Cross multiply
    56,528.98x = 78,006.09 × 31,376.50
  4. Step 4: Simplify right side
    56,528.98x = 2,447,558,082.89
  5. Step 5: Solve for x
    x = 2,447,558,082.89/56,528.98
  6. Step 6: Final answer
    x = 43,297.40

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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.