Home / 52,407.16-72,322.16-31,187.20

Finding the Fourth Proportional to 52,407.16, 72,322.16 and 31,187.20

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Solution

The fourth proportional to 52,407.16, 72,322.16 and 31,187.20 is: 43,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.16 : 72,322.16 = 31,187.20 : x
  2. Step 2: Convert to fraction form
    52,407.16/72,322.16 = 31,187.20/x
  3. Step 3: Cross multiply
    52,407.16x = 72,322.16 × 31,187.20
  4. Step 4: Simplify right side
    52,407.16x = 2,255,525,668.35
  5. Step 5: Solve for x
    x = 2,255,525,668.35/52,407.16
  6. Step 6: Final answer
    x = 43,038.50

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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.