Home / 51,208.09-70,669.32-28,547.05

Finding the Fourth Proportional to 51,208.09, 70,669.32 and 28,547.05

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Solution

The fourth proportional to 51,208.09, 70,669.32 and 28,547.05 is: 39,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.09 : 70,669.32 = 28,547.05 : x
  2. Step 2: Convert to fraction form
    51,208.09/70,669.32 = 28,547.05/x
  3. Step 3: Cross multiply
    51,208.09x = 70,669.32 × 28,547.05
  4. Step 4: Simplify right side
    51,208.09x = 2,017,400,611.51
  5. Step 5: Solve for x
    x = 2,017,400,611.51/51,208.09
  6. Step 6: Final answer
    x = 39,396.13

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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.