Home / 69,859.12-96,407.76-38,030.16

Finding the Fourth Proportional to 69,859.12, 96,407.76 and 38,030.16

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Solution

The fourth proportional to 69,859.12, 96,407.76 and 38,030.16 is: 52,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.12 : 96,407.76 = 38,030.16 : x
  2. Step 2: Convert to fraction form
    69,859.12/96,407.76 = 38,030.16/x
  3. Step 3: Cross multiply
    69,859.12x = 96,407.76 × 38,030.16
  4. Step 4: Simplify right side
    69,859.12x = 3,666,402,538.04
  5. Step 5: Solve for x
    x = 3,666,402,538.04/69,859.12
  6. Step 6: Final answer
    x = 52,482.80

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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.