Home / 38,528,955.06-53,172,346.77-21,359,547.06

Finding the Fourth Proportional to 38,528,955.06, 53,172,346.77 and 21,359,547.06

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Solution

The fourth proportional to 38,528,955.06, 53,172,346.77 and 21,359,547.06 is: 29,477,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528,955.06 : 53,172,346.77 = 21,359,547.06 : x
  2. Step 2: Convert to fraction form
    38,528,955.06/53,172,346.77 = 21,359,547.06/x
  3. Step 3: Cross multiply
    38,528,955.06x = 53,172,346.77 × 21,359,547.06
  4. Step 4: Simplify right side
    38,528,955.06x = 1,135,737,243,124,454
  5. Step 5: Solve for x
    x = 1,135,737,243,124,454/38,528,955.06
  6. Step 6: Final answer
    x = 29,477,499.23

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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.