Home / 32,485.50-48,640.64-21,212.91

Finding the Fourth Proportional to 32,485.50, 48,640.64 and 21,212.91

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Solution

The fourth proportional to 32,485.50, 48,640.64 and 21,212.91 is: 31,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.50 : 48,640.64 = 21,212.91 : x
  2. Step 2: Convert to fraction form
    32,485.50/48,640.64 = 21,212.91/x
  3. Step 3: Cross multiply
    32,485.50x = 48,640.64 × 21,212.91
  4. Step 4: Simplify right side
    32,485.50x = 1,031,809,549.40
  5. Step 5: Solve for x
    x = 1,031,809,549.40/32,485.50
  6. Step 6: Final answer
    x = 31,762.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.