Home / 52,715.81-72,745.67-31,506.77

Finding the Fourth Proportional to 52,715.81, 72,745.67 and 31,506.77

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Solution

The fourth proportional to 52,715.81, 72,745.67 and 31,506.77 is: 43,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.81 : 72,745.67 = 31,506.77 : x
  2. Step 2: Convert to fraction form
    52,715.81/72,745.67 = 31,506.77/x
  3. Step 3: Cross multiply
    52,715.81x = 72,745.67 × 31,506.77
  4. Step 4: Simplify right side
    52,715.81x = 2,291,980,808.22
  5. Step 5: Solve for x
    x = 2,291,980,808.22/52,715.81
  6. Step 6: Final answer
    x = 43,478.06

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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.